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CC766S Brass vs. ZA-12

CC766S brass belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC766S brass and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 110
83
Elongation at Break, % 28
1.6 to 5.3
Poisson's Ratio 0.31
0.26
Shear Modulus, GPa 40
33
Tensile Strength: Ultimate (UTS), MPa 500
260 to 400
Tensile Strength: Yield (Proof), MPa 190
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 180
120
Maximum Temperature: Mechanical, °C 130
100
Melting Completion (Liquidus), °C 840
430
Melting Onset (Solidus), °C 800
380
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
28
Electrical Conductivity: Equal Weight (Specific), % IACS 36
42

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.0
6.0
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 48
64
Embodied Water, L/kg 330
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 180
260 to 620
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
12 to 19
Strength to Weight: Bending, points 18
15 to 20
Thermal Diffusivity, mm2/s 28
43
Thermal Shock Resistance, points 17
9.4 to 14

Alloy Composition

Aluminum (Al), % 0.3 to 1.8
10.5 to 11.5
Antimony (Sb), % 0 to 0.1
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 58 to 64
0.5 to 1.2
Iron (Fe), % 0 to 0.5
0 to 0.075
Lead (Pb), % 0 to 0.5
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 2.0
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.060
Tin (Sn), % 0 to 0.5
0 to 0.0030
Zinc (Zn), % 29.5 to 41.7
87.1 to 89